Buggy code:
public class Text extends Scrollable { int bufferHandle ; int tabs = 8 ; int lastEventTime = 0 ; int gdkEventKey = 0 ; int fixStart = - 1 ; int fixEnd = - 1 ; boolean doubleClick ; String message = "" ; static final int INNER_BORDER = 2 ; static final int ITER_SIZEOF = OS . GtkTextIter_sizeof ( ) ; public static final int LIMIT ; public static final String DELIMITER ; public Text ( Composite parent , int style ) { } static int checkStyle ( int style ) { } void createHandle ( int index ) { } void createWidget ( int index ) { } public void addModifyListener ( ModifyListener listener ) { } public void addSelectionListener ( SelectionListener listener ) { } public void addVerifyListener ( VerifyListener listener ) { } public void append ( String string ) { } public void clearSelection ( ) { } public Point computeSize ( int wHint , int hHint , boolean changed ) { } public Rectangle computeTrim ( int x , int y , int width , int height ) { } public void copy ( ) { } public void cut ( ) { } void deregister ( ) { } boolean dragDetect ( int x , int y , boolean filter , boolean [ ] consume ) { } int eventWindow ( ) { } boolean filterKey ( int keyval , int event ) { } void fixIM ( ) { } GdkColor getBackgroundColor ( ) { } public int getBorderWidth ( ) { } public int getCaretLineNumber ( ) { checkWidget ( ) ; if ( ( ( style ) & ( SWT . SINGLE ) ) != 0 ) <START_BUG> return 1 ; <END_BUG> byte [ ] position = new byte [ Text . ITER_SIZEOF ] ; int mark = OS . gtk_text_buffer_get_insert ( bufferHandle ) ; OS . gtk_text_buffer_get_iter_at_mark ( bufferHandle , position , mark ) ; return OS . gtk_text_iter_get_line ( position ) ; } public Point getCaretLocation ( ) { } public int getCaretPosition ( ) { } public int getCharCount ( ) { } public boolean getDoubleClickEnabled ( ) { } public char getEchoChar ( ) { } public boolean getEditable ( ) { } GdkColor getForegroundColor ( ) { } public int getLineCount ( ) { } public String getLineDelimiter ( ) { } public int getLineHeight ( ) { } public String getMessage ( ) { } public int getOrientation ( ) { } int getPosition ( Point point ) { } public Point getSelection ( ) { } public int getSelectionCount ( ) { } public String getSelectionText ( ) { } public int getTabs ( ) { } int getTabWidth ( int tabs ) { } public String getText ( ) { } public String getText ( int start , int end ) { } public int getTextLimit ( ) { } public int getTopIndex ( ) { } public int getTopPixel ( ) { } int gtk_activate ( int widget ) { } int gtk_button_press_event ( int widget , int event ) { } int gtk_changed ( int widget ) { } int gtk_commit ( int imContext , int text ) { } int gtk_delete_range ( int widget , int iter1 , int iter2 ) { } int gtk_delete_text ( int widget , int start_pos , int end_pos ) { } int gtk_event_after ( int widget , int gdkEvent ) { } int gtk_focus_out_event ( int widget , int event ) { } int gtk_grab_focus ( int widget ) { } int gtk_insert_text ( int widget , int new_text , int new_text_length , int position ) { } int gtk_key_press_event ( int widget , int event ) { } int gtk_populate_popup ( int widget , int menu ) { } int gtk_text_buffer_insert_text ( int widget , int iter , int text , int length ) { } void hookEvents ( ) { } int imContext ( ) { } public void insert ( String string ) { } int paintWindow ( ) { } public void paste ( ) { } void register ( ) { } void releaseWidget ( ) { } public void removeModifyListener ( ModifyListener listener ) { } public void removeSelectionListener ( SelectionListener listener ) { } public void removeVerifyListener ( VerifyListener listener ) { } public void selectAll ( ) { } void setBackgroundColor ( GdkColor color ) { } void setCursor ( int cursor ) { } public void setDoubleClickEnabled ( boolean doubleClick ) { } public void setEchoChar ( char echo ) { } public void setEditable ( boolean editable ) { } void setFontDescription ( int font ) { } public void setMessage ( String message ) { } public void setOrientation ( int orientation ) { } public void setSelection ( int start ) { } public void setSelection ( int start , int end ) { } public void setSelection ( Point selection ) { } public void setTabs ( int tabs ) { } void setTabStops ( int tabs ) { } public void setText ( String string ) { } public void setTextLimit ( int limit ) { } public void setTopIndex ( int index ) { } public void showSelection ( ) { } boolean translateTraversal ( GdkEventKey keyEvent ) { } int traversalCode ( int key , GdkEventKey event ) { } String verifyText ( String string , int start , int end ) { } }

Fix:
return 0 ;